Bias vs Variance – 4 Simple Experiments That Finally Made It Click For Me
## The Setup (same for all four projects)
We always use the same underlying truth:
```python
true_function = lambda x: 1.5 * x**2 - 2 * x + 0.8
y = true_function(X) + np.random.normal(0, 0.8, size)
enghamza.hashnode.dev4 min read